For the Inventor, By the Inventor

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Erlangen, Germany

Opticom Dipl.-Ing. Michael Keyhl Gmbh

USPTO Granted Patents = 3

EPO Patents = 3

Trademarks = 6

Forward Citations = 28

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5 inventors (with patents filed for the assignee):

Christian Schmidmer (3 out of 5 patents)

Michael Keyhl (3 out of 5 patents)

Roland Bitto (2 out of 6 patents)

4. Matthias Obermann (1 out of 1 patent)

5. Martin Kastner (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 10687122 - Concept for determining the quality of a media data stream with varying quality-to-bitrate (2020-06-16),

2. 9037435 - Device and method for determining a sample rate difference (2015-05-19),

3. 7664231 - Method and device for quality evaluation of an audio signal and device and method for obtaining a quality evaluation result (2010-02-16),

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#31 in Erlangen

#8,288 in Germany

Erlangen, Germany

Opticom Dipl.-Ing. Michael Keyhl Gmbh

Forward Citations = 28

5 inventors:

Christian Schmidmer (3 out of 5 patents)

Michael Keyhl (3 out of 5 patents)

Roland Bitto (2 out of 6 patents)

4. Matthias Obermann (1 out of 1 patent)

5. Martin Kastner (1 out of 1 patent)

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